ci: Improved test coverage.

package.json

@@ -58,6 +58,7 @@
 		"env-paths": "^3.0.0",
 		"get-stream": "^6.0.1",
 		"make-dir": "^3.1.0",
+		"pify": "^6.1.0",
 		"simple-package-meta": "^0.0.3"
 	},
 	"exports": "./source/lib.js",

source/cli.js

@@ -365,7 +365,8 @@ async function main_Async( options = {} ){
 				Logger.log({process: PROCESS_NAME, module: MODULE_NAME, file: FILENAME, function: FUNCTION_NAME, level: 'error', message: return_error.message});
 			}/* c8 ignore stop */
 		} 
-	} //Single-file mode
+	} 
+	//Single-file mode
 	if( multi_file_mode === false ){
 		///Input
 		if( return_error === null ){
@@ -511,7 +512,7 @@ try{
 	console.error('MakeDir.sync threw: %s', error);
 }/* c8 ignore stop */
 try{
-	console.log( PackageMeta.paths.log );
+	//console.log( PackageMeta.paths.log );
 	logger = ApplicationLogWinstonInterface.initWinstonLogger('debug.log', PackageMeta.paths.log);
 	//console.log( '%o', logger );
 	try{

source/cli.test.js

@@ -1,7 +1,8 @@
 #!/usr/bin/env node
 import ChildProcess from 'node:child_process';
+import FS from 'node:fs/promises';
 import AVA from 'ava';
-//import Pify from 'pify';
+import Pify from 'pify';
 import * as Pevent from 'p-event';
 
 AVA('CLI:HelpData', async function(t){
@@ -69,3 +70,42 @@ AVA('CLI:MultiFileShellGlob', async function(t){
 		t.fail();
 	}
 });
+AVA( 'CLI:STDINtoSTDOUT', async function( t ){
+	t.log( t.title );
+	const stdin_promise = FS.readFile( 'test/example-source-file.js', 'utf8' ).then( file_string => {
+		return file_string.replace( /\r\n/g, '\n' );
+	} );
+	const expected_stdout_promise = FS.readFile( 'test/example-source-file-output.txt', 'utf8' ).then( file_string => {
+		return file_string.replace( /\r\n/g, '\n' );
+	} );
+	var process_object = ChildProcess.fork( 'source/cli.js', [ '-vio' ], {
+		silent: true
+		//stdio: [ 0, 'pipe', 'pipe', 'ipc' ]
+	} );
+	var bound_write_function = process_object.stdio[0].write.bind( process_object.stdio[0], await stdin_promise, 'utf8' );
+	var write_stdin_function = Pify( bound_write_function, {multiArgs: true});
+	var [ error ] = await write_stdin_function();
+	if( error == null ){
+		process_object.stdio[0].end();
+		var actual_stdout = '';
+		var actual_stderr = '';
+		process_object.stdio[1].on('data', function( chunk ){
+			t.log(`Test: ${t.title} received stdout chunk: ${chunk.toString('utf8')}`);
+			actual_stdout += chunk.toString('utf8');
+		});
+		process_object.stdio[2].on('data', function( chunk ){
+			t.log(` Test: ${t.title} received stderr chunk: ${chunk.toString('utf8')}`);
+			actual_stderr += chunk.toString('utf8');
+		});
+		const [ code, signal ] = await Pevent.pEvent(process_object, 'exit', {multiArgs: true});
+		t.log(`Test: ${t.title}: process exited with code: ${code} signal: ${signal} stdout: ${actual_stdout} stderr: ${actual_stderr}`);
+		var stdout_string = actual_stdout.replace( /\r\n/g, '\n' );
+		if( code === 0 ){
+			t.is( stdout_string, (await expected_stdout_promise)+'\n' );
+		} else{
+			t.fail( `Unexpected process exit code: ${code}` );
+		}
+	} else{
+		t.fail( `Writing to STDIN returned an error: ${error}` );
+	}
+} );